KINETIC AND MICROSTRUCTURAL PARAMETERS OF THE FREE-RADICAL COPOLYMERIZATION OF 2-HYDROXYETHYL METHACRYLATE WITH METHACRYLIC MONOMERS BEARING BULKY POLAR SIDE-GROUPS

被引：14

作者：

GALLARDO, A ^{[1
]}

ROMAN, JS ^{[1
]}

机构：

[1] CSIC,INST CIENCIA & TECNOL POLIMEROS,JUAN CIERVA 3,E-28006 MADRID,SPAIN

来源：

POLYMER | 1993年 / 34卷 / 03期

关键词：

FREE-RADICAL POLYMERIZATION; COPOLYMERIZATION; 2-HYDROXYETHYL METHACRYLATE; METHACRYLIC MONOMERS; POLAR SIDE-GROUPS; KINETICS; MICROSTRUCTURE; BIOCOMPATIBILITY;

D O I：

10.1016/0032-3861(93)90552-L

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Biocompatible copolymers of N-(4-methacryloyloxyphenyl)-2-(4-methoxyphenyl)acetamide (OM) and N-[4-(4-methoxyphenylacetyloxy)phenyl]methacrylamide (MA) with 2-hydroxyethyl methacrylate (HEMA) were prepared by free-radical polymerization. The kinetic behaviour of these systems was studied gravimetrically, and the results obtained are discussed in the light of kinetic models. The reactivity ratios were determined by the application of linearization methods to the general copolymerization equation, as well as by non-linear least-squares analysis, the most correct values being r(OM) = 1.49, r(HEMA) = 0.61 and r(MA) = 0.29, r(HEMA) = 1.47. The microstructure of copolymer chains was determined statistically from the reactivity ratios, considering the terminal model for both copolymerization processes.

引用

页码：567 / 573

页数：7

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